4 in 1’ block – expanding the horizon in post-op analgesia for below knee surgeries

Abstract

We have read the article by Roy et al.¹ on “ultrasound guided 4 in 1 block – a newer, single injection technique for complete postoperative analgesia for knee and below knee surgeries.” With utmost enthusiasm, we want to congratulate and thank the authors for their detailed description of this promising approach.